5 * KVM x86 specific structures and definitions
9 #include <linux/types.h>
10 #include <linux/ioctl.h>
12 /* Select x86 specific features in <linux/kvm.h> */
13 #define __KVM_HAVE_PIT
14 #define __KVM_HAVE_IOAPIC
15 #define __KVM_HAVE_DEVICE_ASSIGNMENT
16 #define __KVM_HAVE_MSI
17 #define __KVM_HAVE_USER_NMI
18 #define __KVM_HAVE_GUEST_DEBUG
20 /* Architectural interrupt line count. */
21 #define KVM_NR_INTERRUPTS 256
23 struct kvm_memory_alias {
24 __u32 slot; /* this has a different namespace than memory slots */
26 __u64 guest_phys_addr;
28 __u64 target_phys_addr;
31 /* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
32 struct kvm_pic_state {
33 __u8 last_irr; /* edge detection */
34 __u8 irr; /* interrupt request register */
35 __u8 imr; /* interrupt mask register */
36 __u8 isr; /* interrupt service register */
37 __u8 priority_add; /* highest irq priority */
44 __u8 rotate_on_auto_eoi;
45 __u8 special_fully_nested_mode;
46 __u8 init4; /* true if 4 byte init */
47 __u8 elcr; /* PIIX edge/trigger selection */
51 #define KVM_IOAPIC_NUM_PINS 24
52 struct kvm_ioapic_state {
64 __u8 delivery_status:1;
73 } redirtbl[KVM_IOAPIC_NUM_PINS];
76 #define KVM_IRQCHIP_PIC_MASTER 0
77 #define KVM_IRQCHIP_PIC_SLAVE 1
78 #define KVM_IRQCHIP_IOAPIC 2
80 /* for KVM_GET_REGS and KVM_SET_REGS */
82 /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */
83 __u64 rax, rbx, rcx, rdx;
84 __u64 rsi, rdi, rsp, rbp;
85 __u64 r8, r9, r10, r11;
86 __u64 r12, r13, r14, r15;
90 /* for KVM_GET_LAPIC and KVM_SET_LAPIC */
91 #define KVM_APIC_REG_SIZE 0x400
92 struct kvm_lapic_state {
93 char regs[KVM_APIC_REG_SIZE];
101 __u8 present, dpl, db, s, l, g, avl;
113 /* for KVM_GET_SREGS and KVM_SET_SREGS */
115 /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */
116 struct kvm_segment cs, ds, es, fs, gs, ss;
117 struct kvm_segment tr, ldt;
118 struct kvm_dtable gdt, idt;
119 __u64 cr0, cr2, cr3, cr4, cr8;
122 __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
125 /* for KVM_GET_FPU and KVM_SET_FPU */
130 __u8 ftwx; /* in fxsave format */
140 struct kvm_msr_entry {
146 /* for KVM_GET_MSRS and KVM_SET_MSRS */
148 __u32 nmsrs; /* number of msrs in entries */
151 struct kvm_msr_entry entries[0];
154 /* for KVM_GET_MSR_INDEX_LIST */
155 struct kvm_msr_list {
156 __u32 nmsrs; /* number of msrs in entries */
161 struct kvm_cpuid_entry {
170 /* for KVM_SET_CPUID */
174 struct kvm_cpuid_entry entries[0];
177 struct kvm_cpuid_entry2 {
188 #define KVM_CPUID_FLAG_SIGNIFCANT_INDEX 1
189 #define KVM_CPUID_FLAG_STATEFUL_FUNC 2
190 #define KVM_CPUID_FLAG_STATE_READ_NEXT 4
192 /* for KVM_SET_CPUID2 */
196 struct kvm_cpuid_entry2 entries[0];
199 /* for KVM_GET_PIT and KVM_SET_PIT */
200 struct kvm_pit_channel_state {
201 __u32 count; /* can be 65536 */
213 __s64 count_load_time;
216 struct kvm_debug_exit_arch {
224 #define KVM_GUESTDBG_USE_SW_BP 0x00010000
225 #define KVM_GUESTDBG_USE_HW_BP 0x00020000
226 #define KVM_GUESTDBG_INJECT_DB 0x00040000
227 #define KVM_GUESTDBG_INJECT_BP 0x00080000
229 /* for KVM_SET_GUEST_DEBUG */
230 struct kvm_guest_debug_arch {
234 struct kvm_pit_state {
235 struct kvm_pit_channel_state channels[3];
238 struct kvm_reinject_control {
242 #endif /* _ASM_X86_KVM_H */